80867293272 has 128 divisors (see below), whose sum is σ = 227296627200. Its totient is φ = 26637206400.

The previous prime is 80867293271. The next prime is 80867293291. The reversal of 80867293272 is 27239276808.

80867293272 is a `hidden beast` number, since 8 + 0 + 86 + 7 + 293 + 272 = 666.

It is a super-2 number, since 2×80867293272² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80867293271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9725997 + ... + 9734307.

It is an arithmetic number, because the mean of its divisors is an integer number (1775754900).

Almost surely, 2^80867293272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80867293272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113648313600).

80867293272 is an abundant number, since it is smaller than the sum of its proper divisors (146429333928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80867293272 is a wasteful number, since it uses less digits than its factorization.

80867293272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8854 (or 8844 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 80867293272 in words is "eighty billion, eight hundred sixty-seven million, two hundred ninety-three thousand, two hundred seventy-two".